<template>
  <view v-if="goods_info.goods_name" class="goods-detail-container">
    <!-- 轮播图 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in goods_info.pics" :key="i">
        <image :src="item.pics_big" @click="preview(i)" class="swiper-item"></image>
      </swiper-item>
    </swiper>
    
    <!-- 商品信息 -->
    <view class="goods-info-box">
      <!-- 商品价格 -->
      <view class="price">
        ¥{{goods_info.goods_price}}
      </view>
      <!-- 商品信息主体 -->
      <view class="goods-info-body">
        <!-- 商品名称 -->
        <view class="goods-name">
          {{goods_info.goods_name}}
        </view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yf">
   快递: 免运费
        
      </view>
    
    </view>
      <rich-text :nodes="goods_info.goods_introduce"></rich-text>
      <!-- 商品导航组件 -->
      <view class="goods_nav">
        <uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
      </view>
  </view>
</template>

<script>
  import{mapState,mapMutations,mapGetters} from 'vuex'
  
  
  export default {
    computed:{
      ...mapState('m_cart',[]),
      ...mapGetters('m_cart',['total'])
    },
    watch:{
      
      // total(newVal){
      //  const findResult= this.options.find(x => x.text === '购物车')
      //  if (findResult) {
      //    findResult.info = newVal
      //  }
      // }
      
      total:{
        handler(newVal){
           const findResult= this.options.find(x => x.text === '购物车')
           if (findResult) {
             findResult.info = newVal
           }
        },
        // 在页面加载时调用一次
        immediate:true
      }
      
    },
    data() {
      return {
        goods_info:{},
         options: [{
        			icon: 'shop',
        			text: '店铺',
        			infoBackgroundColor:'#007aff',
              info: 0,
        			infoColor:"red"
        		}, {
        			icon: 'cart',
        			text: '购物车',
        			info: 0
        		}],
        	    buttonGroup: [{
        	      text: '加入购物车',
        	      backgroundColor: '#ff0000',
        	      color: '#fff'
        	    },
        	    {
        	      text: '立即购买',
        	      backgroundColor: '#ffa200',
        	      color: '#fff'
        	    }
        	    ]
        	  }
    },
    onLoad(options) {
      const goods_id = options.goods_id
      this.getGoodsDetail(goods_id)
    },
    methods:{
      ...mapMutations('m_cart',['addToCart']),
      	  onClick (e) {
           if(e.content.text == '购物车'){
             uni.switchTab({
               url: '/pages/cart/cart'
             })
           }
      	  },
      	  buttonClick (e) {
           if(e.content.text == '加入购物车'){
             // { goods_id, goods_name, goods_price, goods_count, goods_small_logo, goods_state }
          const goods = {
            goods_id: this.goods_info.goods_id,
            goods_name: this.goods_info.goods_name,
            goods_price: this.goods_info.goods_price,
            goods_count: 1,
            goods_small_logo: this.goods_info.goods_small_logo,
            goods_state: true,
          }
          // 调用方法
          this.addToCart(goods)

           }
      	  },
          
      preview(i){
        uni.previewImage({
          current:i,
          urls:this.goods_info.pics.map(x=>x.pics_big)
        })
      },
      async getGoodsDetail(goods_id){
        const {data:res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
        if(res.meta.status!=200) return uni.$showMsg()
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(/webp/g, 'jpg')
        this.goods_info=res.message
      }
    }
  }
</script>

<style lang="scss">
swiper{
  height: 750rpx;
  image{
    width: 100%;
    height: 100%;
  }
}

.goods-info-box{
  padding: 10px;
  padding-right: 0;
  .price{
    color: #C00000;
    font-size: 18px;
    margin: 10px 0;
  }
  .goods-info-body{
    display: flex;
    justify-content: space-between;
    
    .goods-name{
      font-size: 13px;
      margin-right: 10px;
      
    }
    .favi{
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border-left: 1px solid #efefef;
      color: gray;
    }
    .yf{
      font-size: 12px;
      color: gray;
      margin: 10px 0;
      
    }
  }
}
.goods_nav{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
.goods-detail-container{
  padding-bottom: 50px;
}
</style>
